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Transactions of the American Mathematical Society

ISSN 1088-6850(online) ISSN 0002-9947(print)

 
 

 

Relative Donaldson-Thomas theory for Calabi-Yau 4-folds


Authors: Yalong Cao and Naichung Conan Leung
Journal: Trans. Amer. Math. Soc. 369 (2017), 6631-6659
MSC (2010): Primary 14N35; Secondary 14J32
DOI: https://doi.org/10.1090/tran/7002
Published electronically: May 11, 2017
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Abstract: Given a complex 4-fold $ X$ with an (Calabi-Yau 3-fold) anti-
canonical divisor $ Y$, we study relative Donaldson-Thomas invariants for this pair, which are elements in the Donaldson-Thomas cohomologies of $ Y$. We also discuss gluing formulas which relate relative invariants and $ DT_{4}$ invariants for Calabi-Yau 4-folds.


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Additional Information

Yalong Cao
Affiliation: The Institute of Mathematical Sciences and Department of Mathematics, The Chinese University of Hong Kong, Shatin, Hong Kong
Email: ylcao@math.cuhk.edu.hk

Naichung Conan Leung
Affiliation: The Institute of Mathematical Sciences and Department of Mathematics, The Chinese University of Hong Kong, Shatin, Hong Kong
Email: leung@math.cuhk.edu.hk

DOI: https://doi.org/10.1090/tran/7002
Received by editor(s): November 4, 2015
Received by editor(s) in revised form: June 14, 2016
Published electronically: May 11, 2017
Additional Notes: The second author was supported by grants from the Research Grants Council of the Hong Kong Special Administrative Region, China (Project Nos. CUHK401411 and CUHK14302714).
Article copyright: © Copyright 2017 American Mathematical Society

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